The tank is_______ fiberglass and attached by struts and mounting ________ to the airplane structure.
A.constructed of,line
B.composed of, line
C.constructed of, brackets
D.consist of, brackets
正确答案是C
The tank is_______ fiberglass and attached by struts and mounting ________ to the airplane structure.
A.constructed of,line
B.composed of, line
C.constructed of, brackets
D.consist of, brackets
正确答案是C